Tannery Island Power
Hydro power plant in Jefferson County, New York. 1.5 MW of nameplate capacity across 5 generators, operated by Relevate Power Management LLC.
Also known as Tannery Island Power Station · EIA plant 50416
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.5 MWNameplate
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- June 1986First generator online
- Operator
- Relevate Power Management LLCEIA operator ID 66098
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- None linkedNo verified ISO node
- Location
- Jefferson County, NY43.9800, −75.6131
- EIA plant ID
- 50416EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tannery Island Power produces
Free · EIA-923Net generation, 2025
Not reported
Not reported MWh, final. 0 of 12 months reported
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2022
5.4–9.3
GWh a year. Low 2022, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 936 | Not reported | 12 of 12 |
| 2002 | 1,077 | Not reported | 12 of 12 |
| 2003 | 8,995 | Not reported | 12 of 12 |
| 2004 | 9,550 | Not reported | 12 of 12 |
| 2005 | 8,439 | Not reported | 12 of 12 |
| 2006 | 10,156 | Not reported | 12 of 12 |
| 2007 | 7,606 | Not reported | 12 of 12 |
| 2008 | 9,428 | Not reported | 12 of 12 |
| 2009 | 8,912 | Not reported | 12 of 12 |
| 2010 | 8,138 | 61.9% | 12 of 12 |
| 2011 | 8,702 | 66.2% | 12 of 12 |
| 2012 | 7,738 | 58.7% | 12 of 12 |
| 2013 | 7,463 | 56.8% | 12 of 12 |
| 2014 | 7,812 | 59.5% | 12 of 12 |
| 2015 | 6,399 | 48.7% | 12 of 12 |
| 2016 | 6,850 | 52.0% | 12 of 12 |
| 2017 | 9,319 | 70.9% | 12 of 12 |
| 2018 | 6,598 | 50.2% | 12 of 12 |
| 2019 | 6,109 | 46.5% | 12 of 12 |
| 2020 | 5,665 | 43.0% | 12 of 12 |
| 2021 | 7,242 | 55.1% | 12 of 12 |
| 2022 | 5,389 | 41.0% | 12 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | Not reported | Not reported | 0 of 12 |
| 2025 | Not reported | Not reported | 0 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 0.3 | June 1986 |
| GEN2 | Conventional Hydroelectric | 0.3 | June 1986 |
| GEN3 | Conventional Hydroelectric | 0.3 | June 1986 |
| GEN4 | Conventional Hydroelectric | 0.3 | June 1986 |
| GEN5 | Conventional Hydroelectric | 0.3 | June 1986 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Relevate Power Management LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Tannery Island Power
More plants operated by Relevate Power Management LLC
Questions about Tannery Island Power
Where is Tannery Island Power?
Tannery Island Power is in Jefferson County, New York, at 43.9800, −75.6131. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Tannery Island Power?
EIA-860M for August 2026 lists Relevate Power Management LLC as the operator (EIA operator ID 66098). The operator is not always the owner.
When did Tannery Island Power start operating?
Its first generator began operating in June 1986, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page